Exploring the true burden of a time-loss injury: full vs partial time-loss in elite academy football (soccer)

Publication Name

Science and Medicine in Football

Abstract

In football, the number of days without full participation in training/competition is often used as a surrogate measure for time-loss (TL) caused by injury. However, injury management and return-to-play processes frequently include modified participation, which to date has only been recorded through self-reports. This study aims to demonstrate the differentiation between ‘full’ (no participation in team football) and ‘partial’ (reduced/modified participation in team football) burden. Injury and exposure data were collected from 118 male elite footballers (U13–U18) over 3 consecutive seasons according to the Football Consensus Statement. TL injury burden was calculated separately as the number of total, ‘full’ and ‘partial’ days lost per 1000 h of exposure. Injury burden (137.2 days lost/1000 h, 95% CI 133.4–141.0) was comprised of 23% (31.9 days lost/1000 h, 95% CI 30.1–33.8) partial TL and 77% (105.3 days lost/1000 h, 95% CI 102.0–108.6) full TL burden. Injuries of moderate severity (8–28 days lost) showed 40% of partial TL. TL injury incidence rate (6.6 injuries/1000 h, 95% CI 5.8–7.5), the number of severe injuries (16%), and the distribution of TL and non-TL injuries (56% and 44%) were comparable to other reports in elite youth footballers. Almost one-quarter of the TL injury burden showed that injured players were still included in some team football activities, which, for injuries with TL >7 days, was likely related to the return to play process. Therefore, reporting on partial TL provides insight into the true impact of injury on participation levels.

Open Access Status

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Link to publisher version (DOI)

http://dx.doi.org/10.1080/24733938.2022.2156587